An Arduino mini pro provides the brains. A FT-232 USB to serial board is used to program the Arduino. A standard Bluetooth module has to have HID firmware installed. [Dastardly] makes a homemad ...

The HID Relay takes the form of a small adapter that has been built using an Arduino Pro Mini, a Bluetooth module, a USB host shield together with a few other components. Check out the video below ...

A typical Arduino microcontroller board is pretty small, about the size of a credit ... is uploaded onto the core board, the secondary module for communication with the PC isn't needed.

It’s really just an ATTiny85 – a favorite of the crowd that’s just slightly above Arduino level – and an HM-10 Bluetooth 4.0 Low Energy module ... data logging. A small, cheap board ...

The Curie module also has Bluetooth Low Energy built-in. As with the Uno, you can power the 101 through USB or a DC input jack. A small box holds the Arduino 101 in an anti-static bag and a paper ...

Just reverse the receive (Rx) and transmit (Tx) lines between your Arduino and Bluetooth module, and provide the proper input voltage level. This method requires zero software pairing; your device and ...

Have an old USB keyboard you love, but wish was wireless? DIYer DastardlyLabs shows off how to make your own little adapter that’ll convert just about any old USB keyboard to Bluetooth.